VANCOUVER - Those who felt a little rumble Sunday afternoon on Haida Gwaii weren't dreaming — there was a 4.5-magnitude earthquake off B.C.'s west coast.

John Cassidy of Earthquakes Canada says the relatively small quake occurred just after 3 p.m.

It's one of thousands of aftershocks that have been occurring since a 7.7-magnitude quake hit the region last fall.

The seismologist says he's received a couple of reports that the quake was lightly felt in Skidegate and the Village of Queen Charlotte, but most people went about their day without disruption.

The quake struck about 91 kilometres west of Queen Charlotte City, B.C.

Cassidy says the quake was too small to have caused any damage or injuries, and people shouldn't be worried.

The 7.7 earthquake that rocked Haida Gwaii in October was the strongest recorded in Canada since 1949.

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  • Ruins of a house is seen after an earthquake in the city of Varzaqan in northwestern Iran, on Saturday, Aug. 11, 2012. A 6.2-magnitude earthquake hit the towns of Ahar, Haris and Varzaqan in East Azerbaijan province in northwestern Iran on Saturday, state TV said. Iran is located on seismic fault lines and is prone to earthquakes. It experiences at least one earthquake every day on average, although the vast majority are so small they go unnoticed. (AP Photo/Mehr News Agency, Hamed Nazari)

  • Ruins of a houses are seen after an earthquake in the city of Varzaqan in northwestern Iran, on Saturday, Aug. 11, 2012. (AP Photo/Mehr News Agency, Hamed Nazari)

  • A woman lies injured on a stretcher in a street after an earthquake in the city of Varzaqan in northwestern Iran, on Saturday, Aug. 11, 2012. (AP Photo/Mehr News Agency, Hamed Nazari)

  • Residents of the city of Varzaqan sit at the side of a street after an earthquake in northwestern Iran, on Saturday, Aug. 11, 2012. (AP Photo/IRNA, Kazem Yousefi)

  • Medics tend a woman who was injured in an earthquake in the city of Varzaqan in northwestern Iran, on Saturday, Aug. 11, 2012. (AP Photo/IRNA, Kazem Yousefi)

  • A man stretchers a woman who was injured in earthquake in the city of Varzaqan in northwestern Iran, on Saturday, Aug. 11, 2012. (AP Photo/IRNA, Kazem Yousefi)

  • Medics treat an injured man after an earthquake in the city of Varzaqan in northwestern Iran, on Saturday, Aug. 11, 2012. (AP Photo/Mehr News Agency, Ali Hamed Haghdoust)

  • A woman talks as she tends her injured loved one after an earthquake in the city of Varzaqan in northwestern Iran, on Saturday, Aug. 11, 2012. (AP Photo/Mehr News Agency, Ali Hamed Haghdoust)